{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:24.046023", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2017-Jun-26_to_2017-Jun-29_17.5_-16.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2017060002776}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "June 26 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 29 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 56356.875131175984}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Angola", "Namibia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Southern-Africa"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -16.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 17.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "17.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 16.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 18.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.85, -14.75], [15.75, -14.5], [15.97, -13.97], [16.5, -13.75], [17.03, -13.97], [17.18, -14.32], [17.53, -14.47], [17.68, -14.82], [18.03, -14.97], [18.18, -15.32], [18.53, -15.47], [18.75, -16.0], [18.65, -16.25], [18.75, -16.5], [18.65, -16.75], [18.75, -17.0], [18.65, -17.25], [18.75, -17.5], [18.53, -18.03], [18.18, -18.18], [18.03, -18.53], [17.5, -18.75], [16.97, -18.53], [16.75, -18.0], [16.85, -17.75], [16.75, -17.5], [16.85, -17.25], [16.82, -17.18], [16.75, -17.15], [16.5, -17.25], [15.97, -17.03], [15.75, -16.5], [15.96, -16.0], [15.75, -15.5], [15.85, -15.25], [15.75, -15.0], [15.85, -14.75]]]]}, "2017-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.85, -14.75], [15.75, -14.5], [15.97, -13.97], [16.5, -13.75], [17.03, -13.97], [17.18, -14.32], [17.53, -14.47], [17.68, -14.82], [18.03, -14.97], [18.18, -15.32], [18.53, -15.47], [18.75, -16.0], [18.65, -16.25], [18.75, -16.5], [18.65, -16.75], [18.75, -17.0], [18.65, -17.25], [18.75, -17.5], [18.65, -17.75], [18.75, -18.0], [18.53, -18.53], [18.0, -18.75], [17.75, -18.65], [17.5, -18.75], [16.97, -18.53], [16.75, -18.0], [16.85, -17.75], [16.75, -17.5], [16.85, -17.25], [16.82, -17.18], [16.75, -17.15], [16.5, -17.25], [15.97, -17.03], [15.75, -16.5], [15.96, -16.0], [15.75, -15.5], [15.85, -15.25], [15.75, -15.0], [15.85, -14.75]]]]}, "2017-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.85, -14.75], [15.75, -14.5], [15.97, -13.97], [16.5, -13.75], [17.03, -13.97], [17.18, -14.32], [17.53, -14.47], [17.68, -14.82], [18.03, -14.97], [18.18, -15.32], [18.53, -15.47], [18.75, -16.0], [18.65, -16.25], [18.75, -16.5], [18.65, -16.75], [18.75, -17.0], [18.65, -17.25], [18.75, -17.5], [18.65, -17.75], [18.75, -18.0], [18.53, -18.53], [18.0, -18.75], [17.75, -18.65], [17.5, -18.75], [16.97, -18.53], [16.75, -18.0], [16.85, -17.75], [16.75, -17.5], [16.85, -17.25], [16.82, -17.18], [16.75, -17.15], [16.5, -17.25], [15.97, -17.03], [15.75, -16.5], [15.96, -16.0], [15.75, -15.5], [15.85, -15.25], [15.75, -15.0], [15.85, -14.75]]]]}, "2017-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.0, -15.25], [17.53, -15.47], [17.68, -15.82], [18.03, -15.97], [18.18, -16.32], [18.53, -16.47], [18.75, -17.0], [18.65, -17.25], [18.75, -17.5], [18.65, -17.75], [18.75, -18.0], [18.53, -18.53], [18.0, -18.75], [17.75, -18.65], [17.5, -18.75], [16.97, -18.53], [16.75, -18.0], [16.85, -17.75], [16.75, -17.5], [16.85, -17.25], [16.82, -17.18], [16.75, -17.15], [16.5, -17.25], [15.97, -17.03], [15.75, -16.5], [15.97, -15.97], [16.32, -15.82], [16.47, -15.47], [17.0, -15.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.8016986811823585}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.807260068163914}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.17304990157737, 21.024554178795142, 20.256341189564807, 20.58100562703146]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.205815880582406, 21.87288176228668, 20.968028193817986, 21.588796896933047]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.438172069004796, 3.3154486673149646, 2.56910757276071, 2.958549869529418]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.7998737621301757, 3.8016986811823585, 3.208408100736108, 3.3845261790600603]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5467110316778532, 1.9652318959826043, 1.3998642849852128, 1.41904043549884]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7428717722152192, 2.1297106669209414, 1.6010176896848183, 1.6389442000587127]}}